.dialog-panel {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 500px;
  transform: translate(-50%, -50%);
  z-index: 99;
}

.panel-body {
  max-height: 70vh;
  overflow: auto;
}

.dialog-shadow {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.3;
  z-index: 98;
}
